{"product_id":"8-hv-8-lv-relays-for-raspberry-pi-io-back-panel","title":"8 HV and 8 LV Relays for Raspberry Pi I\/O Back Panel","description":"\u003cp\u003eThe \u003cstrong\u003e8 HV and 8 LV Relays Card\u003c\/strong\u003e adds sixteen relays to your Raspberry Pi Back Panel, giving you flexible control over a wide range of loads. It combines four relays rated for 250 VAC\/4 A, four relays rated for 48 VAC\/8 A, and eight relays rated for 24 VAC\/DC\/2 A, making it suitable for everything from light automation tasks to higher-power switching. Designed for reliability and ease of use, it is an ideal choice for industrial control, home automation, and custom electronics projects.\u003c\/p\u003e\n\u003cp\u003eSeamlessly integrated with the Raspberry Pi Back Panel, the \u003cstrong\u003e8 HV and 8 LV Relays Card\u003c\/strong\u003e supports Command Line,  MODBUS RTU over RS485, CAN support via CANopen, OpenPLC, and CODESYS.\u003c\/p\u003e\n\u003ch3\u003eFEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePlugs directly into the Raspberry Pi Back Panel - no additional wiring or hardware needed\u003c\/li\u003e\n\u003cli\u003e16 onboard relays:\n\u003cul\u003e\n\u003cli\u003e4 × 250 VAC\/ 4 A (high voltage)\u003c\/li\u003e\n\u003cli\u003e4 × 48 VAC \/ 8 A (high current)\u003c\/li\u003e\n\u003cli\u003e8 × 24 VAC\/DC \/ 2 A (low power)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eDedicated connectors:\n\u003cul\u003e\n\u003cli\u003eHigh\/medium-power relays routed through \u003cstrong\u003e \u003c\/strong\u003e 2×8-pin pluggable connectors\u003c\/li\u003e\n\u003cli\u003eLow-power relays wired directly to the Back Panel for easy integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e Seamless compatibility \u003c\/strong\u003e with Raspberry Pi Back Panel and other HOP cards \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e LED indicators \u003c\/strong\u003e on all relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e Mix of high- and low-power switching \u003c\/strong\u003e in a single expansion card\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e Reliable isolation \u003c\/strong\u003e for safe operation across different loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e Compact design \u003c\/strong\u003e optimized for Back Panel slots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e Convenient wiring \u003c\/strong\u003e with pluggable terminals for higher loads\u003c\/li\u003e\n\u003cli\u003eECCN classification: EAR99\u003c\/li\u003e\n\u003cli\u003eOpen source hardware - schematics available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDESCRIPTION\u003c\/h3\u003e\n\u003cp\u003ePart of the \u003cstrong\u003e HOP (Hardware On Panel) \u003c\/strong\u003e family developed by Sequent Microsystems, the \u003cstrong\u003e8 HV and 8 LV Relays Card\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003eis designed to integrate seamlessly with the Raspberry Pi Back Panel. Up to eight HOP cards—of any type—can be installed on a single Back Panel, offering maximum flexibility for industrial automation applications. Multiple Back Panels can be connected horizontally to support larger projects.\u003c\/p\u003e\n\u003cp\u003eEight low power relays are routed to the Back Panel through the J1 2x20 pin connector and can be accessed on the spring-loaded connectors. Loads are limited to 2 A and 24 VAC or DC.\u003c\/p\u003e\n\u003cp\u003eFour high power relays are routed to J2 8-pin connector and can drive loads of up to 250 VAC or 30 VDC and 4 A.\u003c\/p\u003e\n\u003cp\u003eFour medium power relays are routed to J3 8-pin connector and can drive loads of up to 48 VAC or 30 VDC and 8 A.\u003c\/p\u003e\n\u003cp\u003eAll contacts are N.O.\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0534\/4392\/0067\/files\/16xRELAYS-LAYOUT_dee82cdb-a601-4c88-b6b8-e906d6266cca_600x600.jpg?v=1759991899\" alt=\"16-Channel HV-LV Relay Card for Raspberry Pi Back Panel Layout\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003eLike all HOP cards, the \u003cstrong\u003e8 HV and 8 LV Relays Card\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cspan\u003efeatures 18 LED indicators. The power LED blinks when power is applied and the local processor is operational. An error LED illuminates when the dedicated PANIC pin on the Back Panel terminal block is activated. Sixteen LEDs show the status of the relays. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAn RS485 port enables communication with external PLCs or industrial controllers using the industry-standard \u003cstrong\u003e MODBUS RTU \u003c\/strong\u003e protocol.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003e Power Requirements \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e8 HV and 8 LV Relays Card\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003eis powered via the Back Panel power connector. All the relay coils use 24 VDC. The low power relays need 10 mA each to operate. The medium and high power relays require 15 mA each. The local processor is powered from the 5 V rail through a 3.3V LDO regulator and consumes 10 mA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Error Processing \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOne pin on the spring-loaded terminal block of the Back Panel is reserved for signaling an error condition. The user can connect this pin to an external contact of their choice. When the error signal is activated, the \u003cstrong\u003e8 HV and 8 LV Relays Card\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003ecard automatically resets all outputs to a predefined default state.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e WATCHDOG: \u003c\/strong\u003e \u003cstrong\u003e \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eWhen enabled, the on-board watchdog expects periodic “kicks” from the Raspberry Pi (or a MODBUS master). If the timeout expires, the card asserts the Back Panel reset line and the Back Panel cuts power to the Raspberry Pi for ~10 s, then restores it—ensuring automatic recovery from lockups. The watchdog is off by default and can be configured from the CLI\/Python libraries.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e STACK LEVEL: \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eNo DIP switches or jumpers required—the \u003cem\u003e physical slot \u003c\/em\u003e on the Back Panel defines the card’s stack level. The level is read at power-up and shown on the OLED (e.g., S1…S8). Software addressing uses this slot number, so you can move cards between slots without reconfiguration. Use up to eight HOP cards (any mix) per Back Panel; panels can be chained for larger systems.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e INTERRUPT: \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eEach HOP card can signal an interrupt to the Raspberry Pi via the Back Panel’s shared \u003cem\u003e INT \u003c\/em\u003e line (wired-OR, active-low). Typical events (e.g., input change, status\/fault) are latched in firmware and cleared by reading the status register. In your application, attach an edge handler to the Raspberry Pi’s interrupt GPIO (default \u003cem\u003e physical pin 37 \/ GPIO26 \u003c\/em\u003e , configurable in software) to react instantly without polling.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e BACK PANEL TERMINAL BLOCK PINOUT \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eEach slot on the Back Panel has allocated three 6-pin spring-loaded terminal blocks for IO wiring. The pinout is shown in the following picture:\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e \u003c\/strong\u003e \u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0534\/4392\/0067\/files\/TerminalBlock-IO_480x480.jpg?v=1759503531\" alt=\"Raspberry Pi Back Panel Terminal Block IO\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e LV Relays Pinout \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable style=\"width: auto; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBP Line\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eBP Line\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eBP Line\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIO01\u003c\/td\u003e\n\u003ctd\u003eRelay #9\u003c\/td\u003e\n\u003ctd\u003eIO07\u003c\/td\u003e\n\u003ctd\u003eRelay #12\u003c\/td\u003e\n\u003ctd\u003eIO13\u003c\/td\u003e\n\u003ctd\u003eRelay #15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIO02\u003c\/td\u003e\n\u003ctd\u003eRelay #9\u003c\/td\u003e\n\u003ctd\u003eIO08\u003c\/td\u003e\n\u003ctd\u003eRelay #12\u003c\/td\u003e\n\u003ctd\u003eIO14\u003c\/td\u003e\n\u003ctd\u003eRelay #15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIO03\u003c\/td\u003e\n\u003ctd\u003eRelay #10\u003c\/td\u003e\n\u003ctd\u003eIO09\u003c\/td\u003e\n\u003ctd\u003eRelay #13\u003c\/td\u003e\n\u003ctd\u003eIO15\u003c\/td\u003e\n\u003ctd\u003eRelay #16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIO04\u003c\/td\u003e\n\u003ctd\u003eRelay #10\u003c\/td\u003e\n\u003ctd\u003eIO10\u003c\/td\u003e\n\u003ctd\u003eRelay #13\u003c\/td\u003e\n\u003ctd\u003eIO16\u003c\/td\u003e\n\u003ctd\u003eRelay #16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIO05\u003c\/td\u003e\n\u003ctd\u003eRelay #11\u003c\/td\u003e\n\u003ctd\u003eIO11\u003c\/td\u003e\n\u003ctd\u003eRelay #14\u003c\/td\u003e\n\u003ctd\u003eIO17\u003c\/td\u003e\n\u003ctd\u003eN\/C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIO06\u003c\/td\u003e\n\u003ctd\u003eRelay #11\u003c\/td\u003e\n\u003ctd\u003eIO12\u003c\/td\u003e\n\u003ctd\u003eRelay #14\u003c\/td\u003e\n\u003ctd\u003eIO18\u003c\/td\u003e\n\u003ctd\u003eERROR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eIO17 is an open-drain output triggered by a predefined error condition on an out-of-bounds input. It can be used to activate an external alarm, or can be routed back to IO18 to reset the outputs to a predefined state. IO17 can be used only on cards with inputs.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eIO18 is a dry-contact-to-ground input and can be activated by an external contact wired to the Back Panel terminal block. When triggered, it resets all outputs to a predefined state.\u003c\/div\u003e\n\u003cdiv\u003eIO18 can be used only on cards with outputs.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e HV Relays Pinout \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe maximum current and voltage that can be switched by the relays are limited by the PCB trace spacing and width. To optimize the layout and ensure maximum performance, the relay contacts are routed to the terminal block in a staggered configuration.\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0534\/4392\/0067\/files\/IO1_e96b7eb6-718c-47dc-8122-089002236544_480x480.jpg?v=1751301836\" alt=\"Eight Relays Eight Inputs for Raspberry Pi Back Panel - Relay Contacts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e DOT MATRIX DISPLAY \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cstrong\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0534\/4392\/0067\/files\/8xHV-8xLV-RELAYS-OLED_480x480.jpg?v=1759416614\" alt=\"OLED for 16-Relays HOP\" style=\"margin-bottom: 16px; float: none;\"\u003e \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe card includes a 128 × 32 dot-matrix display driven by the on-board processor. It can show status information, self-test results, and error messages. At power up it displays the card name, the I²C address, the slot position and the value of the 24V supply.\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e ELECTRICAL SPECIFICATIONS \u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePower Supply: 5 V 10 mA; \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow-power coils: 8×10 mA = \u003cstrong\u003e 80 mA \u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMed\/high coils: 8×15 mA = \u003cstrong\u003e 120 mA \u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e Max all on ≈ 200 mA \u003c\/strong\u003e (+ logic 10 mA @ 5 V).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003e MECHANICAL SPECIFICATIONS \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003cfigure class=\"attachment attachment-preview\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0534\/4392\/0067\/files\/mechanical_480x480.jpg?v=1751297156\" alt=\"16-Channel Relay Card Mechanical\" style=\"margin-bottom: 16px; float: none;\"\u003e \u003cbr\u003e\n\u003cfigcaption class=\"caption\"\u003e\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/div\u003e\n\u003ch3\u003eDOWNLOADS\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0534\/4392\/0067\/files\/8xHV-8xLV-RELAYS-Schematic-V1_0.pdf?v=1759990153\" title=\"16-Channel HV\/LV Relays Card for Raspberry Pi Back Panel Schematic V1.0\" rel=\"noopener\" target=\"_blank\"\u003eHardware Schematic V1.0\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Back Panel for Raspberry Pi IO Plugin Card mechanical Specs\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0534\/4392\/0067\/files\/mechanical.dxf?v=1751297638\" target=\"_blank\"\u003e2D DXF Mechanical\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e3D STEP Model\u003c\/p\u003e\n\u003cp\u003e3D Printable Enclosure\u003c\/p\u003e\n\u003ch3\u003eSOFTWARE\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cp\u003eCommand Line Drivers\u003c\/p\u003e\n\u003cp\u003ePython Libraries\u003c\/p\u003e\n\u003cp\u003eCODESYS Driver\u003c\/p\u003e\n\u003cp\u003eOpenPLC Module\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch3\u003eQUICK START\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePlug the card on the Back Panel for Raspberry Pi and power up the system.\u003c\/li\u003e\n\u003cli\u003eEnable I²C communication on Raspberry Pi using raspi-config.\u003c\/li\u003e\n\u003cli\u003eInstall the software from github.com:\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cul\u003e\n\u003cli\u003egit clone https:\/\/github.com\/SequentMicrosystems\/sequent-cli.git\u003c\/li\u003e\n\u003cli\u003ecd \/home\/pi\/sequent-cli\u003c\/li\u003e\n\u003cli\u003esudo make install\u003c\/li\u003e\n\u003cli\u003esequent-cli 16rel -h\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003eThe program will respond with a list of available commands.\u003c\/div\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e Q: How is the stack position determined? \u003c\/strong\u003e \u003cbr\u003e\u003cstrong\u003e A: \u003c\/strong\u003e Automatically, by the physical slot on the Back Panel—no DIP switches or software setup needed. The slot is also shown on the OLED at power-up. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Q: Which relays go to the Back Panel vs. pluggable connectors? \u003c\/strong\u003e \u003cbr\u003e\u003cstrong\u003e A: \u003c\/strong\u003e The eight \u003cstrong\u003e low-power relays (24 V\/2 A) \u003c\/strong\u003e route to the Back Panel spring terminals via the J1 2×20; the \u003cstrong\u003e four 250 V\/4 A \u003c\/strong\u003e relays go to \u003cstrong\u003e J2 (2×8) \u003c\/strong\u003e , and the \u003cstrong\u003e four 48 V\/8 A \u003c\/strong\u003e relays go to \u003cstrong\u003e J3 (2×8) \u003c\/strong\u003e . All contacts are \u003cstrong\u003e N.O. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e \u003cstrong\u003e Q: Can I control the card without a Raspberry Pi? \u003c\/strong\u003e \u003cbr\u003e\u003cstrong\u003e A: \u003c\/strong\u003e \u003c\/strong\u003e Yes. Over RS485, the card acts as a MODBUS RTU slave and can be driven by any MODBUS-compatible PLC\/controller.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Q: How is RS485 wired and managed? \u003c\/strong\u003e \u003cstrong\u003e \u003cbr\u003e\u003cstrong\u003e A: \u003c\/strong\u003e \u003c\/strong\u003e The RS485 port is permanently tied into the Back Panel’s shared RS485 bus and handled by the on-board processor for MODBUS RTU communication.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e \u003cstrong\u003e Q: What happens if the Raspberry Pi hangs? \u003c\/strong\u003e \u003cbr\u003e\u003cstrong\u003e A: \u003c\/strong\u003e \u003c\/strong\u003e With \u003cstrong\u003e Watchdog \u003c\/strong\u003e enabled, the card signals the Back Panel to hard-reset the Pi (power off ~10 s) if the Pi stops responding in time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Q: How many cards can I use? \u003c\/strong\u003e \u003cbr\u003e\u003cstrong\u003e A: \u003c\/strong\u003e Up to \u003cstrong\u003e eight HOP cards \u003c\/strong\u003e (any mix) per Back Panel; multiple Back Panels can be chained horizontally for larger systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Q: Any best practices for switching inductive loads (motors, solenoids)? \u003c\/strong\u003e \u003cbr\u003e\u003cstrong\u003e A: \u003c\/strong\u003e Use proper \u003cstrong\u003e snubbers \u003c\/strong\u003e (RC for AC, flyback\/suppressors for DC) and \u003cstrong\u003e external fusing \u003c\/strong\u003e appropriate to the load to reduce arcing and extend relay life. (General guidance; choose values per your load.)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Q: Where can I find documentation and examples? \u003c\/strong\u003e \u003cbr\u003eA: Visit Sequent Microsystems’ GitHub repository for open-source code, wiring diagrams, and setup instructions: \u003cbr\u003e👉 \u003ca rel=\"noopener\" href=\"https:\/\/github.com\/SequentMicrosystems\" class=\"\"\u003e https:\/\/github.com\/SequentMicrosystems \u003c\/a\u003e\u003c\/p\u003e","brand":"Sequent Microsystems","offers":[{"title":"Default Title","offer_id":48173201096956,"sku":"SM-P-110","price":95.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0534\/4392\/0067\/files\/16xRELAYS-2.jpg?v=1774193376","url":"https:\/\/sequentmicrosystems.com\/products\/8-hv-8-lv-relays-for-raspberry-pi-io-back-panel","provider":"Sequent Microsystems","version":"1.0","type":"link"}